Reviews and Problems with Canon EF 24-105mm f/4L IS USM
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Canon EF 24-105mm f/4L IS USM, (tested with cropped-frame APS-C body)
1 March 2008
Summary: There’s no denying the Canon EF 24-105mm is a high quality lens. It has decent optics, the excellent mechanical and build quality you’d expect from Canon’s L series, while the USM auto-focusing and Image Stabilisation are both very effective in use.
Pros: Canon 'L' build and mechanical quality., Effective IS and quick USM focusing., Polariser-friendly internal focusing., Compatible with full-frame bodies.
Cons: Lacking wide-angle on cropped bodies., Relatively expensive., Fringing visible even on cropped-frame., Less compelling if you're not going full-frame.
Summary: The lens did however have a rocky start, with early models suffering from an
internal flare problem
, forcing returns and delaying wider distribution. These
issues seem to have been solved now though, and certainly the versions we've tested
exhibited no problems in this regard.
Pros: Useful wide to short telephoto range, Effective anti-shake IS capability, Fast and quiet USM focusing motor, Polariser-friendly internal focusing
Cons: Relatively expensive (at list price), Corners slightly soft at telephoto end, 24-70 f/2.8L has better build and focusing, 17-40mm f/4L an affordable alternative
Canon EF 24-105mm f/4 USM L IS (full format) - Review / Lab Test Report
13 August 2009
Conclusion: The Canon EF 24-105mm f/4 USM L IS is surely one of the better standard zoom lenses for full format EOS DSLRs but it's not perfect within this scope nonetheless. The resolution figures are generally very decent except for a pronounced border softness at 70mm @ f/4.
Canon EF 24-105mm f/4 USM L IS - Review / Lab Test Report
14 September 2008
Conclusion: Regarding its equivalent zoom range (39-168mm) on an APS-C DSLR the Canon EF 24-105mm f/4 USM L IS may not be the most sexy lens here but its performance figures are very impressive nonetheless.
Canon EF 24-105mm f/4 USM L IS - Retest @ 15mp (APS-C)
8 September 2008
Conclusion: The Canon EF 24-105mm f/4 USM L IS produced pretty good quality figures in our tests. The resolution is generally very high throughout the tested range with the exception of 70mm and 105mm @ f/4 where the border quality tanked somewhat - this may originate in a slight centering issue of our test...